ObjXMPP  Diff

/*
 * Copyright (c) 2011, 2012, 2013, 2019, Jonathan Schleifer <js@heap.zone>
 * Copyright (c) 2011, 2012, 2013, Florian Zeitz <florob@babelmonkeys.de>
 *
 * https://heap.zone/objxmpp/
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice is present in all copies.

+ (instancetype)JIDWithString: (OFString *)string
{
	return [[[self alloc] initWithString: string] autorelease];
}

- (instancetype)initWithString: (OFString *)string
{


	self = [super init];

	@try {
		size_t nodesep, resourcesep;


		if (string == nil)
			@throw [OFInvalidArgumentException exception];

		nodesep = [string rangeOfString: @"@"].location;
		resourcesep = [string rangeOfString: @"/"].location;

		if (nodesep == SIZE_MAX)
			self.node = nil;
		else
			self.node =
			    [string substringWithRange: of_range(0, nodesep)];

		if (resourcesep == SIZE_MAX) {
			self.resource = nil;
			resourcesep = string.length;
		} else {
			of_range_t range = of_range(resourcesep + 1,
			    string.length - resourcesep - 1);
			self.resource = [string substringWithRange: range];
		}

		self.domain = [string substringWithRange:
		    of_range(nodesep + 1, resourcesep - nodesep - 1)];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_node release];

	if (node == nil) {
		[old release];
		_node = nil;
		return;
	}

	if (((rc = stringprep_profile(node.UTF8String, &nodepart,
	    "Nodeprep", 0)) != STRINGPREP_OK) || (nodepart[0] == '\0') ||
	    (strlen(nodepart) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithConnection: nil
				    profile: @"Nodeprep"
				     string: node];

- (void)setDomain: (OFString *)domain
{
	OFString *old = _domain;
	char *srv;
	Stringprep_rc rc;

	if (((rc = stringprep_profile(domain.UTF8String, &srv,
	    "Nameprep", 0)) != STRINGPREP_OK) || (srv[0] == '\0') ||
	    (strlen(srv) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithConnection: nil
				    profile: @"Nameprep"
				     string: domain];

	if (resource == nil) {
		[old release];
		_resource = nil;
		return;
	}

	if (((rc = stringprep_profile(resource.UTF8String, &res,
	    "Resourceprep", 0)) != STRINGPREP_OK) || (res[0] == '\0') ||
	    (strlen(res) > 1023))
		@throw [XMPPStringPrepFailedException
		    exceptionWithConnection: nil
				    profile: @"Resourceprep"
				     string: resource];

		return [OFString stringWithFormat: @"%@", _domain];
}

- (OFString *)fullJID
{
	/* If we don't have a resource, the full JID is equal to the bare JID */
	if (_resource == nil)
		return self.bareJID;

	if (_node != nil)
		return [OFString stringWithFormat: @"%@@%@/%@",
		    _node, _domain, _resource];
	else
		return [OFString stringWithFormat: @"%@/%@",
		    _domain, _resource];
}

- (OFString *)description
{
	return [self fullJID];
}

- (uint32_t)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _node.hash);
	OF_HASH_ADD_HASH(hash, _domain.hash);
	OF_HASH_ADD_HASH(hash, _resource.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}
@end